5rwklejrj

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.filechooser.FileFilter;

// @author rnxn
public class Handle implements ActionListener {

    private File file;
    private final Window window;

    public Handle(final Window window) {
        this.window = window;
        for(JButton btn:window.getButtons())
            btn.addActionListener(this);
        window.setVisible(true);
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        switch(e.getActionCommand()){
            case "search":
                search();
                break;
            case "create":
                if(create())
                    JOptionPane.showMessageDialog(window, "Arquivo gerado.", "", JOptionPane.INFORMATION_MESSAGE);
                break;
        }
    }

    private boolean search(){
        JFileChooser flchooser = new JFileChooser(System.getProperty("user.home"));
        flchooser.setDialogTitle("Buscar arquivo .txt");
        flchooser.setFileFilter(new FileFilter() {
            @Override
            public boolean accept(File f) {
                return f.getName().toLowerCase().endsWith(".txt");
            }

            @Override
            public String getDescription() {
                return "Arquivos .txt";
            }
        });
        flchooser.setAcceptAllFileFilterUsed(false);
        flchooser.setMultiSelectionEnabled(false);
        int response = flchooser.showOpenDialog(window);
        if(response == JFileChooser.APPROVE_OPTION){
            file = flchooser.getSelectedFile();
            if(file != null){
                window.setButtonState(true);
            } else {
                window.setButtonState(false);
            }
        }
        return false;
    }

    private boolean create(){
        String path = file.getParent();
        try {
           // System.out.println(path);
            File nwFile = new File(path+"\\tags.txt");
            nwFile.createNewFile();

            try (BufferedWriter bw = new BufferedWriter(new FileWriter(nwFile))) {
                bw.write(parse(file));
            }
            return true;
        } catch(Exception e){
            //System.out.println(e.getMessage());
            return false;
        }
    }

    private String parse(File slFile) throws FileNotFoundException, IOException{
        StringBuilder sb = new StringBuilder();
        try (BufferedReader br = new BufferedReader(new FileReader(slFile))) {
            while(br.ready()){
                String line = br.readLine();
                String words[] = line.split("[\\W]"); /*regex*/
                if(words.length > 0){
                    for(String str:words)
                        if(str.length() > 0)
                            sb.append(Enum.IN.get()).append(str).append(Enum.OUT.get());
                }
            }
        }
        return sb.toString();
    }
}